Far beneath the waves surrounding the Maldives, there’s a living rainbow in the ocean’s “twilight zone.” Say hello to the rose-veiled fairy wrasse, a colorful species of fish that’s new ...

Among the many spectacular reef fishes swimming the Indo-Pacific corals, from Africa to Oceania, is the big-eyed, bulge-faced ...

Cleaner wrasse (Labroides dimidiatus) may have the ability to recognize themselves in a mirror, which raises many questions about animal intelligence and self-awareness.

Last year, it was discovered the bluestreak cleaner wrasse could pass the "mirror test", showing that it can recognize its own face in a mirror. Now researchers have found it can actually size ...

As Frable recalled, the team encountered the tailspot wrasse on the final day of the trip when Sánchez had collected a small red fish in the waters off San Benedicto Island about 70 feet below ...

Bluestreak cleaner wrasse are small, territorial fish that aggressively fend off intruders. But when they have access to a mirror, the fish size themselves up before deciding whether or not to ...

Far more animals than previously thought likely have consciousness, top scientists say in a new declaration — including fish, lobsters and octopus.

Gallup may never be convinced, but other critics of the first cleaner-wrasse study have come around—if not on the matter of a fish’s capacity for self-awareness, then on the broader question ...

He recognized that it was a razor wrasse fish, but it didn’t match any known species. The fish from the market had a “large” black and white ocellus, or eyespot, at the very end of its ...

The diver, Hiroyuki Arakawa, and Asian sheepshead wrasse named Yoriko previously went viral over their 25-plus year friendship.